中文名 | 4-羟基-3-甲氧基苦杏仁酸 |
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英文名 | 3-Hydroxy-4-methoxymandelic Acid |
中文别名 | 3-羟基-4-甲氧基扁桃酸 |
英文别名 |
2-Hydroxy-2-(3-hydroxy-4-methoxyphenyl)acetic acid
EINECS 223-017-7 MFCD00004235 Isovanillylmandelic acid 3-Hydroxy-4-methoxymandelic acid |
密度 | 1.44 g/cm3 |
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沸点 | 445.6ºC at 760 mmHg |
熔点 | 132-134 °C (dec.)(lit.) |
分子式 | C9H10O5 |
分子量 | 198.17300 |
闪点 | 184.3ºC |
精确质量 | 198.05300 |
PSA | 86.99000 |
LogP | 0.51880 |
外观性状 | 灰白色至米色细结晶粉末 |
储存条件 | 密封储存,储存于阴凉、干燥的库房。避免阳光直射。冷藏温度4ºC。 |
稳定性 | 常温常压下稳定,避免与不相容材料接触。 与强氧化剂反应。 |
水溶解性 | H2O: ~50 mg/mL |
计算化学 | 1.疏水参数计算参考值(XlogP):0.4 2.氢键供体数量:3 3.氢键受体数量:5 4.可旋转化学键数量:3 5.互变异构体数量:3 6.拓扑分子极性表面积87 7.重原子数量:14 8.表面电荷:0 9.复杂度:205 10.同位素原子数量:0 11.确定原子立构中心数量:0 12.不确定原子立构中心数量:1 13.确定化学键立构中心数量:0 14.不确定化学键立构中心数量:0 15.共价键单元数量:1 |
更多 | 1. 性状:白色或米色结晶性粉末 2. 密度(g/mL,25℃):未确定 3. 相对蒸汽密度(g/mL,空气=1):未确定 4. 熔点(ºC):132-134 5. 沸点(ºC,常压):未确定 6. 沸点(ºC,20mmHg):未确定 7. 折射率(n20/D):未确定 8. 闪点(ºC):未确定 9. 比旋光度(º):未确定 10. 自燃点或引燃温度(ºC):未确定 11. 蒸气压(mPa,20ºC):未确定 12. 饱和蒸气压(kPa,25ºC):未确定 13. 燃烧热(KJ/mol):未确定 14. 临界温度(ºC):未确定 15. 临界压力(KPa):未确定 16. 油水(辛醇/水)分配系数的对数值:未确定 17. 爆炸上限(%,V/V):未确定 18. 爆炸下限(%,V/V):未确定 19. 溶解性:溶于水 |
Synonym:DL-2-Hydroxy-2-(3-hydroxy-4-methoxyphenyl)acetic aci Section 2 - COMPOSITION, INFORMATION ON INGREDIENTS
Risk Phrases: 36/37/38 Section 3 - HAZARDS IDENTIFICATION EMERGENCY OVERVIEW
Irritating to eyes, respiratory system and skin. Potential Health Effects Eye: Causes eye irritation. Skin: Causes skin irritation. May be harmful if absorbed through the skin. Ingestion: May cause irritation of the digestive tract. May be harmful if swallowed. Inhalation: Causes respiratory tract irritation. May be harmful if inhaled. Chronic: Not available. Section 4 - FIRST AID MEASURES Eyes: Immediately flush eyes with plenty of water for at least 15 minutes, occasionally lifting the upper and lower eyelids. Get medical aid. Skin: Get medical aid. Flush skin with plenty of water for at least 15 minutes while removing contaminated clothing and shoes. Ingestion: Get medical aid. Wash mouth out with water. Inhalation: Remove from exposure and move to fresh air immediately. If not breathing, give artificial respiration. If breathing is difficult, give oxygen. Get medical aid. Notes to Physician: Treat symptomatically and supportively. Section 5 - FIRE FIGHTING MEASURES General Information: As in any fire, wear a self-contained breathing apparatus in pressure-demand, MSHA/NIOSH (approved or equivalent), and full protective gear. Extinguishing Media: Use water spray, dry chemical, carbon dioxide, or chemical foam. Section 6 - ACCIDENTAL RELEASE MEASURES General Information: Use proper personal protective equipment as indicated in Section 8. Spills/Leaks: Vacuum or sweep up material and place into a suitable disposal container. Section 7 - HANDLING and STORAGE Handling: Avoid breathing dust, vapor, mist, or gas. Avoid contact with skin and eyes. Storage: Store in a cool, dry place. Store in a tightly closed container. Section 8 - EXPOSURE CONTROLS, PERSONAL PROTECTION Engineering Controls: Facilities storing or utilizing this material should be equipped with an eyewash facility and a safety shower. Exposure Limits CAS# 3695-24-7: Personal Protective Equipment Eyes: Not available. Skin: Wear appropriate protective gloves to prevent skin exposure. Clothing: Wear appropriate protective clothing to prevent skin exposure. Respirators: Follow the OSHA respirator regulations found in 29 CFR 1910.134 or European Standard EN 149. Use a NIOSH/MSHA or European Standard EN 149 approved respirator if exposure limits are exceeded or if irritation or other symptoms are experienced. Section 9 - PHYSICAL AND CHEMICAL PROPERTIES Physical State: Crystalline powder Color: off-white to beige Odor: Not available. pH: Not available. Vapor Pressure: Not available. Viscosity: Not available. Boiling Point: Not available. Freezing/Melting Point: 125 - 132 deg C Autoignition Temperature: Not available. Flash Point: Not available. Explosion Limits, lower: Not available. Explosion Limits, upper: Not available. Decomposition Temperature: Solubility in water: Specific Gravity/Density: Molecular Formula: C9H10O5 Molecular Weight: 198.17 Section 10 - STABILITY AND REACTIVITY Chemical Stability: Stable under normal temperatures and pressures. Conditions to Avoid: Incompatible materials. Incompatibilities with Other Materials: Strong oxidizing agents. Hazardous Decomposition Products: Carbon monoxide, carbon dioxide. Hazardous Polymerization: Has not been reported. Section 11 - TOXICOLOGICAL INFORMATION RTECS#: CAS# 3695-24-7 unlisted. LD50/LC50: Not available. Carcinogenicity: DL-3-Hydroxy-4-methoxymandelic acid - Not listed by ACGIH, IARC, or NTP. Section 12 - ECOLOGICAL INFORMATION Section 13 - DISPOSAL CONSIDERATIONS Dispose of in a manner consistent with federal, state, and local regulations. Section 14 - TRANSPORT INFORMATION IATA Not regulated as a hazardous material. IMO Not regulated as a hazardous material. RID/ADR Not regulated as a hazardous material. Section 15 - REGULATORY INFORMATION European/International Regulations European Labeling in Accordance with EC Directives Hazard Symbols: XI Risk Phrases: R 36/37/38 Irritating to eyes, respiratory system and skin. Safety Phrases: S 26 In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S 37/39 Wear suitable gloves and eye/face protection. WGK (Water Danger/Protection) CAS# 3695-24-7: No information available. Canada None of the chemicals in this product are listed on the DSL/NDSL list. CAS# 3695-24-7 is not listed on Canada's Ingredient Disclosure List. US FEDERAL TSCA CAS# 3695-24-7 is not listed on the TSCA inventory. It is for research and development use only. SECTION 16 - ADDITIONAL INFORMATION N/A |
海关编码 | 2918990090 |
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中文概述 | 2918990090. 其他含其他附加含氧基羧酸(包括酸酐、酰卤化物、过氧化物和过氧酸及该税号的衍生物). 增值税率:17.0%. 退税率:13.0%. 监管条件:无. 最惠国关税:6.5%. 普通关税:30.0% |
申报要素 | 品名, 成分含量, 用途 |
Summary | 2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0% |